(19)

(11)

EP 3 706 542 A1

(12)

(43) Date of publication: 16.09.2020 Bulletin 2020/38 (21) Application number: 18875306.5 (22) Date of filing: 13.11.2018

(51) International Patent Classification (IPC):  A01C 15/02(2006.01) A01C 15/06(2006.01) A01C 15/10(2006.01) A01C 15/14(2006.01) A01C 15/18(2006.01) A01C 23/04(2006.01) A01C 15/04(2006.01) A01C 15/08(2006.01) A01C 15/12(2006.01) A01C 15/16(2006.01) A01C 23/02(2006.01) (86) International application number: PCT/US2018/060613 (87) International publication number: WO 2019/094883 (16.05.2019 Gazette 2019/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.11.2017 US 201762584679 P (71) Applicant: Pentair Flow Technologies, LLC Delavan, WI 53115 (US)	(72) Inventors: JAMES, Roger Willingham Cambridgeshire CB24 5UR (GB) FREESTON, Ben Littleport Cambridgeshire CB6 1LF (GB) POTTER, Claire Fulbourn Cambridgeshire CB21 5EB (GB) GARNETT, Richard Fawley Hereford HR1 4SW (GB) PULLEN, Sam Herefordshire Mount Pleasant (GB) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)